Bowe Bergdahl, the last remaining U.S. POW in Afghanistan, has been released in exchange for five Taliban detainees held at Guantanamo. While this is a remarkable achievement, the sad truth is that peace is likely to remain elusive in Afghanistan, writes Michael Kugelman.

In the wake of Russian aggression in Ukraine, the topic of European security and NATO expansion post-Cold War is being discussed with renewed urgency. During a recent special event at the Wilson Center, the issue was explored by an impressive panel that featured keynote remarks from US Secretary of Defense Chuck Hagel. That’s the focus of this edition of REWIND.

"As presidential speeches go...it lays out a pretty faithful and accurate vision of how the president sees the world. And let's be clear: It's a world with narrowed options for American power," writes Aaron David Miller on President Obama's speech this week at West Point.

Latin American program director Cynthia J. Arnson is quoted in this article about the U.S. government's consideration of sanctions for individuals within the Venezuelan government. This article is in Spanish.

A new report from the CNA Corporation's Military Advisory Board makes clear that when it comes to climate change, “many threats are manifesting faster than anticipated and the risks are accelerating.” Geoff Dabelko discusses the threats and recommendations from the report.